
<template>
    <div class="app-container">
      <el-row :gutter="10">
        <el-col :span="24" :xs="24">
          <!-- 数据筛选表单 -->
          <el-form ref="queryForm" :model="queryParams" :inline="true" label-width="100px">
            <!-- 数据筛选表单组件 -->
            <el-form-item label="角色编码" prop="roleKey">
              <el-input v-model="queryParams.roleKey" placeholder="请输入角色编码" clearable size="small" @keyup.enter.native="handleQuery" />
            </el-form-item>
            <el-form-item label="状态" prop="status">
              <el-select v-model="queryParams.status" size="small" placeholder="请选择">
                <el-option v-for="item in statusOptions" :key="item.value" :label="item.label" :value="item.value" />
              </el-select>
            </el-form-item>
  
            <!-- 数据筛选操作按钮 -->
            <el-form-item>
              <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索
              </el-button>
              <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置
              </el-button>
            </el-form-item>
          </el-form>
          <el-row :gutter="10" class="mb8">
            <el-col :span="3">
              <el-button type="primary" icon="el-icon-plus" size="small" @click="handleAdd">新增角色
              </el-button>
            </el-col>
          </el-row>
  
          <!-- 数据表格 -->
          <el-table v-loading="loading" :data="roleList">
            <!-- 数据表格列 -->
            <el-table-column label="角色ID" align="center" prop="roleId" />
            <el-table-column label="角色名称" align="center" prop="roleName" />
            <el-table-column label="角色编码" align="center" prop="roleKey" />
            <el-table-column label="排序" align="center" prop="roleSort" />
            <el-table-column label="状态" align="center" prop="status">
              <template slot-scope="scope">
                <el-tag v-if="scope.row.status === '0'" size="small" type="success">正常</el-tag>
                <el-tag v-else-if="scope.row.status === '1'" size="small" type="danger">禁用</el-tag>
              </template>
            </el-table-column>
            <!-- 数据行操作按钮 -->
            <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
              <template slot-scope="scope">
                <el-button size="small" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)">修改
                </el-button>
                <el-button size="small" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)">删除
                </el-button>
              </template>
            </el-table-column>
          </el-table>
          <!-- 数据分页加载 -->
          <el-pagination
            :current-page="pageNum"
            :page-sizes="[5, 10, 50, 100]"
            :page-size="pageSize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total"
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            @pagination="getList"
          />
        </el-col>
      </el-row>
      <!-- 添加修改role对话框 -->
      <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
        <el-form ref="form" :model="form" :rules="rules" label-width="120px">
          <!-- 数据编辑表单组件 -->
          <el-form-item label="角色名称" prop="roleName">
            <el-input v-model="form.roleName" placeholder="请输入角色名称" />
          </el-form-item>
          <el-form-item label="角色编码" prop="roleKey">
            <el-input v-model="form.roleKey" placeholder="请输入角色编码" />
          </el-form-item>
          <el-form-item label="排序" prop="roleSort">
            <el-input v-model="form.roleSort" placeholder="请输入排序编号" />
          </el-form-item>
        </el-form>
        <!-- 数据提交操作按钮 -->
        <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </el-dialog>
    </div>
  </template>
  
  <script>
  /** 导入axios Api */
  import { listRoleByPage, getRole, addRole, updateRole, deleteRole } from '@/api/system/role'
  export default {
  
    name: 'Role',
    data() {
      return {
        // 状态类型
        statusOptions: [
          { value: '0', 
            label: '正常' 
          },
          { value: '1', 
            label: '禁用'
          }
        ],
        // 遮罩层
        loading: false,
        // 总条数
        total: 0,
        // 当前页
        pageNum: 0,
        // 每页数据量
        pageSize: 0,
        // Role表格数据
        roleList: [],
        // 弹出层标题
        title: '',
        // 是否显示弹出层
        open: false,
        // 数据查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 5,
          roleKey: null,
          status: null
        },
        // 数据编辑表单
        form: {},
        // 表单数据校验规则
        rules: {
          roleName: [
            { required: true, message: '角色名称不能为空', trigger: 'blur' }
          ],
          roleKey: [
            { required: true, message: '角色编码不能为空', trigger: 'blur' }
          ],
          roleSort: [
            { required: true, message: '排序不能为空', trigger: 'blur' }
          ]
        }
      }
    },
    created() {
      this.getList()
    },
    methods: {
      /** 查询Role数据列表 */
      getList() {
        this.loading = true
        listRoleByPage(this.queryParams).then((response) => {
          this.roleList = response.data.list
          this.total = response.data.total
          this.pageNum = this.queryParams.pageNum
          this.pageSize = this.queryParams.pageSize
          this.loading = false
        })
      },
      /** 处理分页 */
      handleSizeChange(val) {
        this.queryParams.pageSize = val
        this.getList()
      },
      handleCurrentChange(val) {
        this.queryParams.pageNum = val
        this.getList()
      },
  
      /** 数据编辑对话框取消按钮 */
      cancel() {
        this.open = false
        this.resetForm()
      },
  
      /** 数据编辑表单清空 */
      resetForm() {
        this.form = {
          roleId: null,
          roleName: null,
          roleKey: null,
          roleSort: null
        }
      },
  
      /** 数据筛选参数重置按钮 */
      resetQueryParams() {
        this.queryParams.pageNum = 1
        this.queryParams.pageSize = 5
      },
  
      /** 数据筛选搜索按钮 */
      handleQuery() {
        this.resetQueryParams()
        this.getList()
        this.$message.success('查询成功')
      },
  
      /** 数据筛选重置按钮 */
      resetQuery() {
        this.queryParams = {
          pageNum: 1,
          pageSize: 5,
          roleId: null,
          roleKey: null,
          status: null
        }
        this.getList()
      },
  
      /** 新增按钮操作 */
      handleAdd() {
        this.resetForm()
        this.open = true
        this.title = '添加Role'
      },
  
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.resetForm()
        getRole(row.roleId).then((response) => {
          this.form = response.data
          this.open = true
          this.title = '修改Role'
        })
      },
  
      /** 数据提交按钮 */
      submitForm: function() {
        this.$refs['form'].validate((valid) => {
          if (valid) {
            if (this.form.roleId === null) {
                addRole(this.form).then((response) => {
                this.$message.success(response.msg)
                this.open = false
                this.title = ''
                this.getList()
              })
            } else {
               updateRole(this.form).then((response) => {
                this.$message.success(response.msg)
                this.open = false
                this.title = ''
                this.getList()
              })
            }
          }
        })
      },
  
      /** 删除按钮操作 */
      handleDelete(row) {
        this.$confirm('是否确认删除名称为"' + row.roleName + '"的数据项?', '警告', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
          })
          .then(function() {
            return deleteRole(row.roleId)
          })
          .then(() => {
            this.getList()
            this.$message.success('删除成功')
          })
          .catch(() => {})
      }
    }
  }
  </script>
  